Introduction How to Enable the EPEL Repository on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use iptrace for network tracing on ibm aix 7.2 […]
🟢 Low ⏱ 5–15 min Last verified: 4 January 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4673-1 Related CVEs: CVE-2020-26154 CVE-2020-25219 Upstream summary: Li Fei discovered that libproxy incorrectly handled certain PAC files. An attacker could possibly use this issue to cause a crash or execute […]
Introduction How to Install MariaDB on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. This tutorial […]
🔴 Critical ⏱ 30–120 min Last verified: 25 May 2026 Affected versions: VMware ESXi 7.0 📖 ~4 min read • Source: VMware advisory VMSA-2020-0026 Related CVEs: CVE-2020-4004 CVE-2020-4005 Fixed image profile / build: ESXi670-202011301-SG Upstream summary: An issue in OVF descriptor parsing on ESXi (CVE-2020-4004 / CVE-2020-4005) lets a malicious actor with local access […]
How to Configure Windows Server 2019 Active Directory Reporting Active Directory reporting provides visibility into the state of your directory — user account status, group memberships, password policy compliance, inactive accounts, privileged access, and more. Regular AD reports are essential for security auditing, compliance requirements (SOX, HIPAA, PCI-DSS), and operational hygiene. Windows Server 2019 includes […]
🟡 Medium ⏱ 10–30 min Last verified: 3 January 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-7793 Related CVEs: CVE-2022-37434 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
🟡 Medium ⏱ 5–30 min Last verified: 3 January 2021 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202101-26 Related CVEs: CVE-2020-6104 CVE-2020-6105 CVE-2020-6106 CVE-2020-6107 CVE-2020-6108 Upstream summary: Multiple vulnerabilities have been discovered in f2fs-tools. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]
Introduction How to Configure MySQL InnoDB Cluster on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]
